gzdoom-gles/src/menu/optionmenu.cpp
2016-03-01 09:47:10 -06:00

605 lines
15 KiB
C++

/*
** optionmenu.cpp
** Handler class for the option menus and associated items
**
**---------------------------------------------------------------------------
** Copyright 2010 Christoph Oelckers
** All rights reserved.
**
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions
** are met:
**
** 1. Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** 2. Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in the
** documentation and/or other materials provided with the distribution.
** 3. The name of the author may not be used to endorse or promote products
** derived from this software without specific prior written permission.
**
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
**---------------------------------------------------------------------------
**
*/
#include "v_video.h"
#include "v_font.h"
#include "cmdlib.h"
#include "gstrings.h"
#include "g_level.h"
#include "gi.h"
#include "v_palette.h"
#include "d_gui.h"
#include "d_event.h"
#include "c_dispatch.h"
#include "c_console.h"
#include "c_cvars.h"
#include "c_bind.h"
#include "gameconfigfile.h"
#include "menu/menu.h"
//=============================================================================
//
// Draws a string in the console font, scaled to the 8x8 cells
// used by the default console font.
//
//=============================================================================
void M_DrawConText (int color, int x, int y, const char *str)
{
screen->DrawText (ConFont, color, x, y, str,
DTA_CellX, 8 * CleanXfac_1,
DTA_CellY, 8 * CleanYfac_1,
TAG_DONE);
}
IMPLEMENT_CLASS(DOptionMenu)
//=============================================================================
//
//
//
//=============================================================================
DOptionMenu::DOptionMenu(DMenu *parent, FOptionMenuDescriptor *desc)
: DMenu(parent)
{
CanScrollUp = false;
CanScrollDown = false;
VisBottom = 0;
mFocusControl = NULL;
Init(parent, desc);
}
//=============================================================================
//
//
//
//=============================================================================
void DOptionMenu::Init(DMenu *parent, FOptionMenuDescriptor *desc)
{
mParentMenu = parent;
GC::WriteBarrier(this, parent);
mDesc = desc;
if (mDesc != NULL && mDesc->mSelectedItem == -1) mDesc->mSelectedItem = FirstSelectable();
}
//=============================================================================
//
//
//
//=============================================================================
int DOptionMenu::FirstSelectable()
{
if (mDesc != NULL)
{
// Go down to the first selectable item
int i = -1;
do
{
i++;
}
while (i < (int)mDesc->mItems.Size() && !mDesc->mItems[i]->Selectable());
if (i>=0 && i < (int)mDesc->mItems.Size()) return i;
}
return -1;
}
//=============================================================================
//
//
//
//=============================================================================
FOptionMenuItem *DOptionMenu::GetItem(FName name)
{
for(unsigned i=0;i<mDesc->mItems.Size(); i++)
{
FName nm = mDesc->mItems[i]->GetAction(NULL);
if (nm == name) return mDesc->mItems[i];
}
return NULL;
}
//=============================================================================
//
//
//
//=============================================================================
bool DOptionMenu::Responder (event_t *ev)
{
if (ev->type == EV_GUI_Event)
{
if (ev->subtype == EV_GUI_WheelUp)
{
int scrollamt = MIN(2, mDesc->mScrollPos);
mDesc->mScrollPos -= scrollamt;
return true;
}
else if (ev->subtype == EV_GUI_WheelDown)
{
if (CanScrollDown)
{
if (VisBottom < (int)(mDesc->mItems.Size()-2))
{
mDesc->mScrollPos += 2;
VisBottom += 2;
}
else
{
mDesc->mScrollPos++;
VisBottom++;
}
}
return true;
}
}
return Super::Responder(ev);
}
//=============================================================================
//
//
//
//=============================================================================
bool DOptionMenu::MenuEvent (int mkey, bool fromcontroller)
{
int startedAt = mDesc->mSelectedItem;
switch (mkey)
{
case MKEY_Up:
if (mDesc->mSelectedItem == -1)
{
mDesc->mSelectedItem = FirstSelectable();
break;
}
do
{
--mDesc->mSelectedItem;
if (mDesc->mScrollPos > 0 &&
mDesc->mSelectedItem <= mDesc->mScrollTop + mDesc->mScrollPos)
{
mDesc->mScrollPos = MAX(mDesc->mSelectedItem - mDesc->mScrollTop - 1, 0);
}
if (mDesc->mSelectedItem < 0)
{
// Figure out how many lines of text fit on the menu
int y = mDesc->mPosition;
if (y <= 0)
{
if (BigFont && mDesc->mTitle.IsNotEmpty())
{
y = -y + BigFont->GetHeight();
}
else
{
y = -y;
}
}
y *= CleanYfac_1;
int rowheight = OptionSettings.mLinespacing * CleanYfac_1;
int maxitems = (screen->GetHeight() - rowheight - y) / rowheight + 1;
mDesc->mScrollPos = MAX (0, (int)mDesc->mItems.Size() - maxitems + mDesc->mScrollTop);
mDesc->mSelectedItem = mDesc->mItems.Size()-1;
}
}
while (!mDesc->mItems[mDesc->mSelectedItem]->Selectable() && mDesc->mSelectedItem != startedAt);
break;
case MKEY_Down:
if (mDesc->mSelectedItem == -1)
{
mDesc->mSelectedItem = FirstSelectable();
break;
}
do
{
++mDesc->mSelectedItem;
if (CanScrollDown && mDesc->mSelectedItem == VisBottom)
{
mDesc->mScrollPos++;
VisBottom++;
}
if (mDesc->mSelectedItem >= (int)mDesc->mItems.Size())
{
if (startedAt == -1)
{
mDesc->mSelectedItem = -1;
mDesc->mScrollPos = -1;
break;
}
else
{
mDesc->mSelectedItem = 0;
mDesc->mScrollPos = 0;
}
}
}
while (!mDesc->mItems[mDesc->mSelectedItem]->Selectable() && mDesc->mSelectedItem != startedAt);
break;
case MKEY_PageUp:
if (mDesc->mScrollPos > 0)
{
mDesc->mScrollPos -= VisBottom - mDesc->mScrollPos - mDesc->mScrollTop;
if (mDesc->mScrollPos < 0)
{
mDesc->mScrollPos = 0;
}
if (mDesc->mSelectedItem != -1)
{
mDesc->mSelectedItem = mDesc->mScrollTop + mDesc->mScrollPos + 1;
while (!mDesc->mItems[mDesc->mSelectedItem]->Selectable())
{
if (++mDesc->mSelectedItem >= (int)mDesc->mItems.Size())
{
mDesc->mSelectedItem = 0;
}
}
if (mDesc->mScrollPos > mDesc->mSelectedItem)
{
mDesc->mScrollPos = mDesc->mSelectedItem;
}
}
}
break;
case MKEY_PageDown:
if (CanScrollDown)
{
int pagesize = VisBottom - mDesc->mScrollPos - mDesc->mScrollTop;
mDesc->mScrollPos += pagesize;
if (mDesc->mScrollPos + mDesc->mScrollTop + pagesize > (int)mDesc->mItems.Size())
{
mDesc->mScrollPos = mDesc->mItems.Size() - mDesc->mScrollTop - pagesize;
}
if (mDesc->mSelectedItem != -1)
{
mDesc->mSelectedItem = mDesc->mScrollTop + mDesc->mScrollPos;
while (!mDesc->mItems[mDesc->mSelectedItem]->Selectable())
{
if (++mDesc->mSelectedItem >= (int)mDesc->mItems.Size())
{
mDesc->mSelectedItem = 0;
}
}
if (mDesc->mScrollPos > mDesc->mSelectedItem)
{
mDesc->mScrollPos = mDesc->mSelectedItem;
}
}
}
break;
case MKEY_Enter:
if (mDesc->mSelectedItem >= 0 && mDesc->mItems[mDesc->mSelectedItem]->Activate())
{
return true;
}
// fall through to default
default:
if (mDesc->mSelectedItem >= 0 &&
mDesc->mItems[mDesc->mSelectedItem]->MenuEvent(mkey, fromcontroller)) return true;
return Super::MenuEvent(mkey, fromcontroller);
}
if (mDesc->mSelectedItem != startedAt)
{
S_Sound (CHAN_VOICE | CHAN_UI, "menu/cursor", snd_menuvolume, ATTN_NONE);
}
return true;
}
//=============================================================================
//
//
//
//=============================================================================
bool DOptionMenu::MouseEvent(int type, int x, int y)
{
y = (y / CleanYfac_1) - mDesc->mDrawTop;
if (mFocusControl)
{
mFocusControl->MouseEvent(type, x, y);
return true;
}
else
{
int yline = (y / OptionSettings.mLinespacing);
if (yline >= mDesc->mScrollTop)
{
yline += mDesc->mScrollPos;
}
if ((unsigned)yline < mDesc->mItems.Size() && mDesc->mItems[yline]->Selectable())
{
if (yline != mDesc->mSelectedItem)
{
mDesc->mSelectedItem = yline;
//S_Sound (CHAN_VOICE | CHAN_UI, "menu/cursor", snd_menuvolume, ATTN_NONE);
}
mDesc->mItems[yline]->MouseEvent(type, x, y);
return true;
}
}
mDesc->mSelectedItem = -1;
return Super::MouseEvent(type, x, y);
}
//=============================================================================
//
//
//
//=============================================================================
void DOptionMenu::Ticker ()
{
Super::Ticker();
for(unsigned i=0;i<mDesc->mItems.Size(); i++)
{
mDesc->mItems[i]->Ticker();
}
}
//=============================================================================
//
//
//
//=============================================================================
void DOptionMenu::Drawer ()
{
int y = mDesc->mPosition;
if (y <= 0)
{
if (BigFont && mDesc->mTitle.IsNotEmpty())
{
const char *tt = mDesc->mTitle;
if (*tt == '$') tt = GStrings(tt+1);
screen->DrawText (BigFont, OptionSettings.mTitleColor,
(screen->GetWidth() - BigFont->StringWidth(tt) * CleanXfac_1) / 2, 10*CleanYfac_1,
tt, DTA_CleanNoMove_1, true, TAG_DONE);
y = -y + BigFont->GetHeight();
}
else
{
y = -y;
}
}
mDesc->mDrawTop = y;
int fontheight = OptionSettings.mLinespacing * CleanYfac_1;
y *= CleanYfac_1;
int indent = mDesc->mIndent;
if (indent > 280)
{ // kludge for the compatibility options with their extremely long labels
if (indent + 40 <= CleanWidth_1)
{
indent = (screen->GetWidth() - ((indent + 40) * CleanXfac_1)) / 2 + indent * CleanXfac_1;
}
else
{
indent = screen->GetWidth() - 40 * CleanXfac_1;
}
}
else
{
indent = (indent - 160) * CleanXfac_1 + screen->GetWidth() / 2;
}
int ytop = y + mDesc->mScrollTop * 8 * CleanYfac_1;
int lastrow = screen->GetHeight() - SmallFont->GetHeight() * CleanYfac_1;
unsigned i;
for (i = 0; i < mDesc->mItems.Size() && y <= lastrow; i++, y += fontheight)
{
// Don't scroll the uppermost items
if ((int)i == mDesc->mScrollTop)
{
i += mDesc->mScrollPos;
if (i >= mDesc->mItems.Size()) break; // skipped beyond end of menu
}
bool isSelected = mDesc->mSelectedItem == (int)i;
int cur_indent = mDesc->mItems[i]->Draw(mDesc, y, indent, isSelected);
if (cur_indent >= 0 && isSelected && mDesc->mItems[i]->Selectable())
{
if (((DMenu::MenuTime%8) < 6) || DMenu::CurrentMenu != this)
{
M_DrawConText(OptionSettings.mFontColorSelection, cur_indent + 3 * CleanXfac_1, y+fontheight-9*CleanYfac_1, "\xd");
}
}
}
CanScrollUp = (mDesc->mScrollPos > 0);
CanScrollDown = (i < mDesc->mItems.Size());
VisBottom = i - 1;
if (CanScrollUp)
{
M_DrawConText(CR_ORANGE, 3 * CleanXfac_1, ytop, "\x1a");
}
if (CanScrollDown)
{
M_DrawConText(CR_ORANGE, 3 * CleanXfac_1, y - 8*CleanYfac_1, "\x1b");
}
Super::Drawer();
}
//=============================================================================
//
// base class for menu items
//
//=============================================================================
FOptionMenuItem::~FOptionMenuItem()
{
if (mLabel != NULL) delete [] mLabel;
}
int FOptionMenuItem::Draw(FOptionMenuDescriptor *desc, int y, int indent, bool selected)
{
return indent;
}
bool FOptionMenuItem::Selectable()
{
return true;
}
bool FOptionMenuItem::MouseEvent(int type, int x, int y)
{
if (Selectable() && type == DMenu::MOUSE_Release)
{
return DMenu::CurrentMenu->MenuEvent(MKEY_Enter, true);
}
return false;
}
int FOptionMenuItem::GetIndent()
{
if (mCentered)
{
return 0;
}
const char *label = mLabel;
if (*label == '$') label = GStrings(label+1);
return SmallFont->StringWidth(label);
}
void FOptionMenuItem::drawLabel(int indent, int y, EColorRange color, bool grayed)
{
const char *label = mLabel;
if (*label == '$') label = GStrings(label+1);
int overlay = grayed? MAKEARGB(96,48,0,0) : 0;
int x;
int w = SmallFont->StringWidth(label) * CleanXfac_1;
if (!mCentered) x = indent - w;
else x = (screen->GetWidth() - w) / 2;
screen->DrawText (SmallFont, color, x, y, label, DTA_CleanNoMove_1, true, DTA_ColorOverlay, overlay, TAG_DONE);
}
void FOptionMenuDescriptor::CalcIndent()
{
// calculate the menu indent
int widest = 0, thiswidth;
for (unsigned i = 0; i < mItems.Size(); i++)
{
thiswidth = mItems[i]->GetIndent();
if (thiswidth > widest) widest = thiswidth;
}
mIndent = widest + 4;
}
//=============================================================================
//
//
//
//=============================================================================
FOptionMenuItem *FOptionMenuDescriptor::GetItem(FName name)
{
for(unsigned i=0;i<mItems.Size(); i++)
{
FName nm = mItems[i]->GetAction(NULL);
if (nm == name) return mItems[i];
}
return NULL;
}
class DGameplayMenu : public DOptionMenu
{
DECLARE_CLASS(DGameplayMenu, DOptionMenu)
public:
DGameplayMenu()
{}
void Drawer ()
{
Super::Drawer();
char text[64];
mysnprintf(text, 64, "dmflags = %d dmflags2 = %d", *dmflags, *dmflags2);
screen->DrawText (SmallFont, OptionSettings.mFontColorValue,
(screen->GetWidth() - SmallFont->StringWidth (text) * CleanXfac_1) / 2, 0, text,
DTA_CleanNoMove_1, true, TAG_DONE);
}
};
IMPLEMENT_CLASS(DGameplayMenu)
class DCompatibilityMenu : public DOptionMenu
{
DECLARE_CLASS(DCompatibilityMenu, DOptionMenu)
public:
DCompatibilityMenu()
{}
void Drawer ()
{
Super::Drawer();
char text[64];
mysnprintf(text, 64, "compatflags = %d compatflags2 = %d", *compatflags, *compatflags2);
screen->DrawText (SmallFont, OptionSettings.mFontColorValue,
(screen->GetWidth() - SmallFont->StringWidth (text) * CleanXfac_1) / 2, 0, text,
DTA_CleanNoMove_1, true, TAG_DONE);
}
};
IMPLEMENT_CLASS(DCompatibilityMenu)